The dispersion there is among scores in a distribution, the _____ the mean depicts a

In the classic study by McGraw (1935) on the twins Johnny and Jimmy, it was found that Johnny skated at less than 1 year of age but Jimmy, who was not introduced to skating until almost a year later, never succeeded in this task

McGraw posited that Johnny's ability in skating was a function of A. greater readiness B. greater recklessness C. lower center of gravity D. practice

Sexual dysfunctions tend to co-occur with one another and with other mental disorders such as

a. obsession and compulsion. b. personality and depression. c. anxiety and depression. d. personality and OCD.